English — Forum #92 (Page 71/87)

1. 255 - HCBBS Forum
2. There are two questions regarding the design pressures for petrochemical pipelines - HCBBS Forum
3. For coal water slurry gasification units – what is it? Attach a picture - HCBBS Forum
4. To prevent system deflagration, how should rupture discs be selected for the pipes when the system pressure is below 0.01 MP? - HCBBS Forum
5. A guide for selecting new control valve manufacturers – this post provides information on how to choose control valves, the appropriate accessories to use, and the functions they can perform - HCBBS Forum
6. Help: Stroke of the stop valve spool - HCBBS Forum
7. Identify objects by looking at pictures - HCBBS Forum
8. Natural compensator settings - HCBBS Forum
9. American standard pipe fitting standards - HCBBS Forum
10. Methods and principles for determining the wall thickness of metal fabrication pipeline fittings - HCBBS Forum
11. Pump outlet pipeline - HCBBS Forum
12. Regarding pressure pipeline issues - HCBBS Forum
13. Are there safety valves that allow the unloading pressure to be adjusted remotely? - HCBBS Forum
14. Questions regarding pressure-controlled check valves - HCBBS Forum
15. The spherical wear-resistant elbow has a rational design - HCBBS Forum
16. What is the visual difference between a TSO valve (gate valve) and a regular gate valve? - HCBBS Forum
17. Issues regarding internal leakage in valves of the acrylic acid and acrylate reconfiguration pipeline - HCBBS Forum
18. Pipeline corrosion resistance - HCBBS Forum
19. Material selection for the valve sealing surface - HCBBS Forum
20. The pipe materials are all A2A; are the pressure ratings different? - HCBBS Forum
21. Parameter setting of hydrocyclones - HCBBS Forum
22. Installation requirements for flame arresters - HCBBS Forum
23. When is it necessary to empty it? - HCBBS Forum
24. Questions regarding the types of soft sealing materials used on the valve spools of sleeve valves and their operating environments? - HCBBS Forum
25. Selection of outer diameter size for long-distance pipeline pigging devices - HCBBS Forum
26. What type of shut-off valve is used for this operating condition? - HCBBS Forum
27. Conveyor nitrogen pressure - HCBBS Forum
28. Is lithium hexafluorophosphate suitable for mechanical mirror polishing and electrolytic polishing of pipes? - HCBBS Forum
29. Two different valve handles - HCBBS Forum
30. What are the consequences of improper pipeline heat treatment procedures! Urgent - HCBBS Forum
31. Urgent urgent urgent - HCBBS Forum
32. Calculation of bearing specific pressure - HCBBS Forum
33. 22 tips for selecting check valves - HCBBS Forum
34. Questions about filters and screens - HCBBS Forum
35. Is it necessary to use steam for purging steam pipes? - HCBBS Forum
36. Where can I buy such a ball valve? - HCBBS Forum
37. Usage methods and operation procedures for stainless steel pipe benders! - HCBBS Forum
38. Where does this requirement come from? - HCBBS Forum
39. Installation and Use of Spherical Compensators (Seven Points) - HCBBS Forum
40. Regarding design qualifications - HCBBS Forum
41. Units and conversions for valve pressure and temperature - HCBBS Forum
42. Seeking help regarding high-temperature valves for RTO incineration systems - HCBBS Forum
43. Certification for genuine and fake flame arresters - HCBBS Forum
44. Please help with the installation location of the bursting disc. - HCBBS Forum
45. Impact of the vent valve’s operation - HCBBS Forum
46. Does anyone have the standard LST EN 13942-2009? - HCBBS Forum
47. Control valve - HCBBS Forum
48. Installation issues of the inner nut in compound tie-rod type bellows compensators - HCBBS Forum
49. How to select a valve? Valve selection criteria - HCBBS Forum
50. Regarding the selection of temperature adjustment coefficients in the formula for calculating wall thickness of pipelines - HCBBS Forum
51. Pipe inspection - HCBBS Forum
52. Cracking in welds of pipe elbows and tees - HCBBS Forum
53. Why is the H added to the Yamatake positioner model? - HCBBS Forum
54. Abused, the valve is covered in wounds! - HCBBS Forum
55. Can sanitary-grade stainless steel pipes be welded, and how should the welds be polished? - HCBBS Forum
56. Flow rate control for steam purging? - HCBBS Forum
57. Is this a one-way valve? - HCBBS Forum
58. The steam pipeline is too long, resulting in a heat loss of 4 tons per day. Is this normal? I hope experts can help calculate it - HCBBS Forum
59. Pipeline welding issues - HCBBS Forum
60. Petrochemical deep processing version — Share chemical equipment images; promotional poster for the process area! Massive wealth, charm, and flowers await you! - HCBBS Forum
61. Why are O-rings used for sealing the valve stems of 6D piping valves? - HCBBS Forum
62. The pressure rating indicated on the valve body - HCBBS Forum
63. Are there standard specifications for the spacing of pipe supports and hangers? - HCBBS Forum
64. Design for open-air long-distance natural gas transmission - HCBBS Forum
65. Problems with valve installation - HCBBS Forum
66. Qualifications for pressure pipeline design and manufacturing - HCBBS Forum
67. The preferred material for rigid waterproof sleeves of DN100 is carbon steel - HCBBS Forum
68. Is there a ultra-high temperature and pressure valve for 1200K and 65MPA, the one that’s chubby? - HCBBS Forum
69. Could I please get information on the applicable scenarios for vertical and inclined air coolers, along with photos from actual installations? - HCBBS Forum
70. Can cold-dried compressed air cause ice blockage? - HCBBS Forum
71. Can valves made of F11 material be welded to pipes made of 15CrMo? - HCBBS Forum
72. Regarding A105III for flanges, what does the “III” stand for? I would appreciate some guidance from those who know more - HCBBS Forum
73. Regarding the installation direction of such control valves - HCBBS Forum
74. Why is it necessary to enlarge the diameter of the pipeline downstream of the control valve? - HCBBS Forum
75. Requirements for preventing cold damage in low-temperature pipelines - HCBBS Forum
76. What are the export brands of domestic ball valves? - HCBBS Forum
77. Whether the valve can be opened and closed during stress testing - HCBBS Forum
78. Use of the sealing surface on male and female flanges - HCBBS Forum
79. Why aren’t high-quality Chinese-made valves sold directly in China? - HCBBS Forum
80. What type of flange is this, and which standard does it comply with? - HCBBS Forum
81. Roots blower - HCBBS Forum
82. Pneumatic gate valve - HCBBS Forum
83. Pipeline cleaning - HCBBS Forum
84. Electric butterfly valve - HCBBS Forum
85. The users of pressure pipelines shall conduct regular self-inspections - HCBBS Forum
86. Applications of L245 seamless steel pipes - HCBBS Forum
87. What kind of actuation devices do these valves on site have? - HCBBS Forum
88. Ways and methods to save energy using steam - HCBBS Forum
89. Issues with the installation location of pressure gauges on industrial level transfer pipelines? - HCBBS Forum
90. More knowledge on solenoid valve selection – please keep adding! - HCBBS Forum
91. gasket - HCBBS Forum
92. Questions regarding oil-resistant asbestos rubber sheets - HCBBS Forum
93. Effect of temperature fluctuations during pipeline pressure testing on pressure - HCBBS Forum
94. Lens pad DN15 LE 1500LB δ=8.0 ECH-1013 316L mod - HCBBS Forum
95. How to handle non-standard pipe fittings in Cadworx - HCBBS Forum
96. Analysis of the reasons for reverse rotation of the stop valve - HCBBS Forum
97. Control valve - HCBBS Forum
98. Learn *Valves by Looking at Pictures - HCBBS Forum
99. I would appreciate it if experts could offer their guidance on the problems encountered during the actual construction of the chemical plant. - HCBBS Forum
100. Who has a video on the working principle of solenoid valves? - HCBBS Forum